Mgbakwu bentonite bụ nke ọkwa ọkwa kemịkal na mịnaral a gbakwụtụtụ iji mezie ike nke slurry bentonite eji na mmụ ndị mbu, ntinye mgbidi diapụ, na ọrụ njikọ geoteknikal. A na-agbanwe ihe mgbakwu ndị a nke ihe mmetụta rheolọjịkal, mmugbu, na ike nchekwa nke sistemu bentonite-mmiri iji nye aka ọnọdụ saịtị pụrụ iche na ihe ọnụọgụ ike ọrụ. Ụdị mgbakwu ndị a gụnyere: polymeric viscosity modifiers, soda ash maka nhazi pH, inorganic salts maka njikọ ionic, biodegradable polymers maka usoro ebe a na-ahụ mma, na ụdị clay activators pụrụ iche nke na-akwupụta ume na ike ijere nke akụ bentonite mmalite.
Soda ash, a na-akpọ ya sodium carbonate (Na₂CO₃), bụ ọcha granular inorganic salt emepụtara site na ammonia-soda (Solvay) ma ọ bụ njikọ mạsụ. Na ọrụ njikọ geoteknikal na mmụ ndị mbu, soda ash rụrụ ọrụ dị mkpa maka alkaline additive na slurry bentonite na drilling fluids, na-arụ ọrụ dị ka pH buffer na mineral activator. Ihe ahụ dị n'ụdị ole na ole hydrated (monohydrate, decahydrate, anhydrous) ma a mataara ya site na nke ike inwe mmiri na ike alkaline pụrụ iche maka njikọ ike mmetụta rheolọjịkal na subsurface ọrụ. Itinye ya na ndị formulation bentonite na-agbakwụ suspenzọn nke clay particle, na-agbakwụ fluidity, ma na-edozi ike nke viscosity achọrọ maka sistemu slurry zuru oke na ngwa mmụ ndị mbu.
Sodium bicarbonate, a ma ka baking soda (NaHCO₃), bụ ụdị alkaline salt dị nta na-arụ ọrụ dị mkpa maka ihe kemịkal na drilling fluids bentonite-ụdị na slurries geoteknikal eji na mmụ ndị mbu. Na nwere pH nke na-adị n'agbata 8.3 na 8.4 na aqueous solution, sodium bicarbonate na-enye buffering capacity na nwere nke pH na-agbanyeghị nkwasị ihe nke ike alkaline dị ike, na-eme ya ihe mkpa n'ime ndị formulation gbakwụrụ iji mezie ike nke clay mineral mmetụta na ike nke fluid n'ime ọnọdụ ebe a na-ahụ mma nke subsurface.
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